Inside Out Library · Explore
Scientific American, Vol. 18, No. 23 (June 1868)
1868 · 7 pictures
Combination · Purpose · Patents · Set · Arranged · Manner · Constructed · Claim · Purpose set · Flame · Chief principle · Turbine water · Purposes set · Scientific American · Patent office · Filing application · Patent granted · Takes place · Rotating brush
Internet Archive · Public domain (published before 1931) · More from this library